N7265
Nitrate Reductase (NAD[P]H) from Aspergillus niger
lyophilized powder, ≥300 units/g solid
Synonym(s):
NAD(P)H:Nitrate oxidoreductase
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About This Item
CAS Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54
form
lyophilized powder
Quality Level
specific activity
≥300 units/g solid
shipped in
wet ice
storage temp.
−20°C
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General description
Nitrate reductase (NAD[P]H) is expressed in variety of organisms including bacteria, fungi, algae, and higher plants which have capacity to use nitrate as their sole source of nitrogen.Experimental studies show that nitrate reductase (NAD[P]H) is 180,000Daltons.
Biochem/physiol Actions
Nitrate Reductase (NAD[P]H) catalyzes the reduction of nitrate to nitrite. In addition, it also catalyzes the reduction of NADPH-cytochrome c, FADH2-nitrate. Nitrate reductase also has reduced methyl viologen-nitrate reductase activities.
Other Notes
One unit will reduce 1.0 μmole of nitrate per min in the presence of β-NADPH at pH 7.5 at 25 °C.
Disclaimer
light and moisture sensitive
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Resp. Sens. 1
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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N Minagawa et al.
Journal of biochemistry, 91(3), 761-774 (1982-03-01)
NADPH-nitrate reductase [NADPH : nitrate oxidoreductase, EC 1.6.6.3] was purified 500-fold from Aspergillus nidulans with an overall yield of about 20%. The purified enzyme catalyzed NADPH-nitrate, NADPH-cytochrome c, FADH2-nitrate and reduced methyl viologen-nitrate reductase activities. Its molecular weight was estimated
E Fernández et al.
Proceedings of the National Academy of Sciences of the United States of America, 86(17), 6449-6453 (1989-09-01)
The nitrate reductase structural gene of Chlamydomonas reinhardtii has been isolated from a genomic library by using a nitrate reductase cDNA probe from barley. Restriction fragment length polymorphism analyses mapped the Chlamydomonas clone (B6a) to the nitrate reductase structural gene
Bharat Bhushan et al.
Environmental science & technology, 36(14), 3104-3108 (2002-07-27)
Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) can be efficiently mineralized with anaerobic domestic sludge, but the initial enzymatic processes involved in its transformation are unknown. To test the hypothesis that the initial reaction involves reduction of nitro group(s), we designed experiments to test the
P Hilliquin et al.
Arthritis and rheumatism, 40(8), 1512-1517 (1997-08-01)
Nitric oxide (NO) is a free radical involved in inflammation and immune reactions. The presence of NO is usually assessed by assaying its degradation products, nitrite and nitrate. NO binds to thiol-containing proteins to form S-nitrosoproteins (S-NP). The aim of
Nilesh Dharajiya et al.
The Journal of allergy and clinical immunology, 119(3), 646-653 (2007-03-06)
Ragweed extract (RWE) contains NADPH oxidases that induce oxidative stress in the airways independent of adaptive immunity (signal 1) and augment antigen (signal 2)-induced allergic airway inflammation. To test whether inhibiting signal 1 by administering antioxidants inhibits allergic airway inflammation
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